Work handling apparatus



Jan. 22, 1963 J. v. DAVIS ETAL 3,074,413

WORK HANDLING APPARATUS Filed March 30 1959 21 Sheets-Sheet 1 Q N m J52 1422 5 1 5 H i ,7 ayul/s'.

Jan. 22, 1963 J. v. DAVIS ETAL WORK HANDLING APPARATUS 21 Sheets-Sheet 2 Filed March 30, 1959 Jan. 22, 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March 30, 1959 21 Sheets-Sheet 3 A8077 fi z'dwaws/s zl Jan. 22, 1963 J. v. DAVIS ETAL WORK HANDLING APPARATUS 21 Sheets-Sheet 4 Filed March 30, 1959 aAmZ/ Jan. 22, 1963 J. v. DAVIS ETAL WORK HANDLING APPARATUS 21 Sheets-Sheet 5 Filed March 50, 1959 INVENTOIRSA J4 V76.

Jan. 22, 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March 30, 1959 21 Sheets-Sheet 6 INVENTOR a Mjdrmsq Jan. 22, 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March so, 1959 21 Sheets-Sheet 7 Jan. 22, 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March 50, 1959 21 Sheets-Sheet 8 FLZ/J INVENTOR-S. 72%;? [(174 z 1st rrarnl /s'.

Jan. 22, 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March 30, 1959 21 Sheets-Sheet 10 E-EJQ raw/ex Jan. 22, 1963 .1. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March 30, 1959 21 Sheets-Sheet 11 INVENTORLS. \78Z77 Kjdyzis' J ea?! .7. Frarrawsizl J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Jan. 22, 1963 Filed March 30, 1959 21 Sheets-Sheet 12 1 H 214 M i 5} 1m E: a: A I} J1 I I J5 |I l I 1 E: x I i [AK 1: I! {1 ,7/4 {1/5 1 ,w 1M :2 I: l H z: 4.1-.

INVENTQRS A709??? 1 I V26.

Jan. 22, 1963 J. v. DAVIS ETAL WORK HANDLING APPARATUS 21 Sheets-Sheet 13 R i 0.; N f L V 1 NRNZW w fla Filed March 30, 1959 Jan. 22, 1963 J. v. DAVIS ETAL ,4

WORK HANDLING APPARATUS Filed March 30, 1959 21 Sheets-Sheet 14' 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS i if) Zia H/ INVENTORS'. J2 Z72 K274 1 215;

Jan. 22, 1963 J. vQoAvls ETAL WORK HANDLING APPARATUS 21 Sheets-Sheet 16 Filed March 30, 1959 Jan. 22, 1963 J. v. DAVIS ETAI.

WORK HANDLING APPARATUS 21 Sheets-Sheet 17 Filed March 50, 1959 Jan. 22, 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March 30, 1959 21 Sheets-Sheet 18 Jan. 22, 1963 J. v. DAVIS ETAL 3,074,418

WORK HANDLING APPARATUS Filed March 50, 1959 21 Sheets-Sheet 19 INVENTORASv J22 Mid/7;?

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Jan. 22, 1963 J. v. DAVIS ETAL WORK HANDLING APPARATUS 21 Sheets-Sheet 20 Filed March 30, 1959 II I I I I I IIL 5 My 5 N w E d a i 7 0/4 W I m] 1% J 

1. IN A MACHINE HAVING A PLURALITY OF LIQUID TREATMENT TANKS ARRANGED IN A LONGITUDINAL EXTENDING ROW AND ADAPTED TO RECEIVE WORK CARRIED ON WORK CARRIERS, A MAIN FRAME EXTENDING ABOVE SAID TANKS AND A CHASSIS MOUNTED ON THE MAIN FRAME FOR UP AND DOWN MOVEMENT BETWEEN A LOWER POSITION AND AN UPPER POSITION, LOWER CONTINOUS TRACK MEANS ON THE FRAME ABOVE SAID TANKS AT A POSITION IN WHICH WORK SUSPENDED FROM A CARRIER SUPPORTED ON THE TRACK MEANS IS RECEIVED IN A TANK, A PLURALITY OF ALIGNED FIRST TRACK SECTIONS ARRANGED ABOVE SAID TRACK MEANS AT A LEVEL SUCH AS THAT THE WORK SUSPENDED ON SAID CARRIERS IS POSITIONED ABOVE SAID TANKS WHEN THE CARRIERS ARE SUPPORTED ON SAID FIRST TRACK SECTIONS, A PLURALITY OF ALIGNED SECOND TRACK SECTION SUPPORTED ON SAID CHASSIS FOR RAISING AND LOWERING A WORK CARRIER POSITIONED THEREON TO AND FROM A LOWERED POSITIONED ON SAID CONTINUOUS TRACK MEANS AND A RAISED POSITION IN ALIGNMENT WITH SAID TRACK SECTIONS, SAID SECOND TRACK SECTIONS POSITIONED BELOW SAID CONTINUOUS TRACK MEANS IN THE LOWER POSITION OF SAID CHASSIS, SAID SECOND TRACK SECTIONS BEING ARRANGED SO THAT IN THE UPPER POSITION OF THE CHASSIS THEY EXTEND BETWEEN SAID FIRST TRACK SECTIONS SO AS TO FORM THEREWITH AN UPPER CONTINUOUS TRACK MEANS LOCATED ABOVE SAID LOWER TRACK MEANS, FIRST CARRIER TRANSFER MEANS ON THE FRAME ADJACENT SAID LOWER TRACK MEANS FOR MOVING CARRIERS, THEREON IN ONE DIRECTION, AND SECOND CARRIER TRANSFER MEAN ON THE FRAME ADJACENT SAID UPPER TRACK MEANS FOR MOVING CARRIERS THEREON IN SAID ONE DIRECTION. 